﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
namespace s
{
    class dataprovider
    {
        public static SqlConnection conectiondata()
        {
            string connectionstring = "Data Source=WIN7-PC;Initial Catalog=QuanLySinhvien;Integrated Security=True";
            SqlConnection cn = new SqlConnection(connectionstring);
            cn.Open();
            return cn;
        }
    }
}
